House Prices in Australia – Speech by RBA Governor Glenn Stevens

This is an edited version of a speech given by Reserve Bank Governor Glenn Stevens at the Annika Foundation Luncheon on July 24.

Scaled to measures of income, Australian dwelling prices on a national basis have in fact declined and are now about where they were in 2002 . That is, housing has become more ‘affordable’.

Average Dwelling Price to Average Income Ratios

Four or five years ago we supposedly had a housing affordability ‘crisis’. Now it seems that the problem some people fear is that of housing becoming even more affordable.
Are dwelling prices overvalued? It’s very hard to be definitive on that question.

There are two aspects to the claim that they might be. The first is that prices relative to income are higher than they were 15 or 20 years ago. If this ratio is somehow mean-reverting, then either incomes must rise a lot or prices must fall. It could be that this analysis is correct, but the problem is that there is no particular basis to think that the price to income ratio 20 years ago was ‘correct’.

There are reasons that might be advanced for why the ratio might be expected to be higher now than then – that the mean has shifted – though again there is little science to any quantification for such a shift. In any event, arguments that appeal to historical averages for such ratios lose potency the longer the ratio stays high.

In Australia’s case the ratio of prices to income on a national basis has been apparently at a higher mean level – about 4 to 4½ – for about a decade now.

The second support for the claim that dwelling prices are overvalued is the observation that they seem high in comparison with other countries. In seeking to make such comparisons, though, there are serious methodological challenges. The key difficulty is in sourcing comparable data on the level of prices across countries. Such data are, at best, pretty sketchy. With that caveat very clearly in mind, consider the charts.

Simply comparing Australia and the United States, it is hard to avoid the impression that gravity will inevitably exert its influence on Australian dwelling prices. But if we put these two lines on a chart with a number of other countries with which we might want to make comparisons, the picture is much less clear

 

To the extent that we can make any meaningful statements about international relativities, the main conclusion would be that Australian dwelling prices, relative to income, are in the pack of comparable countries. In this comparison, the United States seems the outlier.

Australian House Price to Ratio compared to other countries

Australian House Price to Ratio compared to other countries

None of this can be taken to say definitively that Australian dwelling prices are ‘appropriate’, or that there is no possibility they will fall. It is a very dangerous idea to think that dwelling prices cannot fall. They can, and they have. The point is simply that historical or international comparisons, to the extent they can be made, do not constitute definitive evidence of an imminent slump. At the very least, the complexity of making these comparisons suggests we ought to look at some other metrics in thinking about the housing market.

One would be the performance of the associated mortgages. Here, the main story is that not much has changed. Arrears remain low and if anything have been edging down over the past year. That in turn is not altogether surprising given that debt servicing burdens have declined. See Chart below.

Repayments on New Housing Loans

Repayments on New Housing Loans

It has to be said that the housing market bubble, if that’s what it is, seems to be taking quite a long time to pop – if that’s what it is going to do. The ingredients we would look for as signalling an imminent crash seem, if anything, less in evidence now than five years ago.

 

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